Dictionary / Vocabulary / 筈がない
はずがない
it cannot be that ...; it is highly unlikely that ...; it is impossible that ...
Also written はずが無い、筈が無い
本当の筈がない。
It cannot be true.
彼女が君にそんなことを言ったはずが無い。
She can't have said a thing like that to you.
彼は奥さんと口論をしたかもしれないが、奥さんを殴ったはずが無い。
He may have argued with his wife, but he can't have hit her.